Front

What is an acid?

Back

An acid is a substance with a pH less than 7, which can donate protons (H+) in a solution.

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What is quantitative data?

Back

Quantitative data refers to numerical information that can be measured, such as '6.84 cm'.

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What is capillary action?

Back

Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of external forces, involving both adhesion (attraction to surfaces) and cohesion (attraction between molecules).

Front

What is a dependent variable?

Back

A dependent variable is the outcome or response that is measured in an experiment, which is affected by changes in the independent variable.

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

Front

What is a base?

Back

A base is a substance with a pH greater than 7, which can accept protons (H+) in a solution.

Front

What is a buffer?

Back

A buffer is a solution that resists changes in pH when small amounts of acid or base are added.

Front

What is cohesion in biology?

Back

Cohesion is the attraction between molecules of the same substance, such as water molecules sticking together.

Front

What is adhesion in biology?

Back

Adhesion is the attraction between molecules of different substances, such as water molecules sticking to plant cell walls.

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What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.